From 133da2624a63bb2ff0de1047c0a21d2ce7268270 Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Mon, 9 Feb 2026 12:00:24 +0900
Subject: [PATCH] fix(config-manager): guard against non-array plugin values in
 auth-plugins

---
 src/cli/config-manager/auth-plugins.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cli/config-manager/auth-plugins.ts b/src/cli/config-manager/auth-plugins.ts
index 4e4d5718f..127d99c65 100644
--- a/src/cli/config-manager/auth-plugins.ts
+++ b/src/cli/config-manager/auth-plugins.ts
@@ -44,7 +44,8 @@ export async function addAuthPlugins(config: InstallConfig): Promise<ConfigMerge
       existingConfig = parseResult.config
     }
 
-    const plugins: string[] = existingConfig?.plugin ?? []
+    const rawPlugins = existingConfig?.plugin
+    const plugins: string[] = Array.isArray(rawPlugins) ? rawPlugins : []
 
     if (config.hasGemini) {
       const version = await fetchLatestVersion("opencode-antigravity-auth")